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推移畢氏
Author:
郭亮偉
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
sanjiaohanshu
兩位數除以一位數（二）
兩位數加法
柱體建築師
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正方形分割
平行四邊形面積
Area between two curves
二元线性规划的图解法(18.2 例5)
活动三：应用性质
Discover Topics
Statistical Characteristics
Tangent Line or Tangent
Curve Sketching
Matrices
Cone